package com.chapter14.Properties_;

import java.util.Properties;

/**
 * @author 宋鑫宇
 * @version 1.0
 * properties大多数用来读取xxx.properties文件，加载到properties对象中并进行读取和修改
 */
public class Properties_ {
    public static void main(String[] args) {
        Properties properties = new Properties();
        //properties 继承了hashtable，Key和Value不能为null
        //增加
        properties.put(1,"123");
    }
}
